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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef REMOTING_HOST_VIDEO_FRAME_CAPTURER_H_ | 5 #ifndef REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_ |
6 #define REMOTING_HOST_VIDEO_FRAME_CAPTURER_H_ | 6 #define REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/shared_memory.h" | 10 #include "base/shared_memory.h" |
11 #include "media/base/video_frame.h" | 11 #include "media/base/video_frame.h" |
12 #include "third_party/skia/include/core/SkRegion.h" | 12 #include "third_party/skia/include/core/SkRegion.h" |
13 | 13 |
14 namespace remoting { | 14 namespace remoting { |
15 | 15 |
16 namespace protocol { | |
17 class CursorShapeInfo; | |
18 } | |
19 | |
20 class CaptureData; | 16 class CaptureData; |
| 17 struct MouseCursorShape; |
21 class SharedBufferFactory; | 18 class SharedBufferFactory; |
22 | 19 |
23 // Class used to capture video frames asynchronously. | 20 // Class used to capture video frames asynchronously. |
24 // | 21 // |
25 // The full capture sequence is as follows: | 22 // The full capture sequence is as follows: |
26 // | 23 // |
27 // (1) Start | 24 // (1) Start |
28 // This is when pre-capture steps are executed, such as flagging the | 25 // This is when pre-capture steps are executed, such as flagging the |
29 // display to prevent it from sleeping during a session. | 26 // display to prevent it from sleeping during a session. |
30 // | 27 // |
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57 class Delegate { | 54 class Delegate { |
58 public: | 55 public: |
59 virtual ~Delegate() {} | 56 virtual ~Delegate() {} |
60 | 57 |
61 // Called when a video frame has been captured. |capture_data| describes | 58 // Called when a video frame has been captured. |capture_data| describes |
62 // a captured frame. | 59 // a captured frame. |
63 virtual void OnCaptureCompleted( | 60 virtual void OnCaptureCompleted( |
64 scoped_refptr<CaptureData> capture_data) = 0; | 61 scoped_refptr<CaptureData> capture_data) = 0; |
65 | 62 |
66 // Called when the cursor shape has changed. | 63 // Called when the cursor shape has changed. |
67 virtual void OnCursorShapeChanged( | 64 // TODO(sergeyu): Move cursor shape capturing to a separate class. |
68 scoped_ptr<protocol::CursorShapeInfo> cursor_shape) = 0; | 65 virtual void OnCursorShapeChanged(const MouseCursorShape& cursor_shape) = 0; |
69 }; | 66 }; |
70 | 67 |
71 virtual ~VideoFrameCapturer() {} | 68 virtual ~VideoFrameCapturer() {} |
72 | 69 |
73 // Create platform-specific capturer. | 70 // Create platform-specific capturer. |
74 static scoped_ptr<VideoFrameCapturer> Create(); | 71 static scoped_ptr<VideoFrameCapturer> Create(); |
75 | 72 |
76 // Create platform-specific capturer that uses shared memory buffers. | 73 // Create platform-specific capturer that uses shared memory buffers. |
77 static scoped_ptr<VideoFrameCapturer> CreateWithFactory( | 74 static scoped_ptr<VideoFrameCapturer> CreateWithFactory( |
78 SharedBufferFactory* shared_buffer_factory); | 75 SharedBufferFactory* shared_buffer_factory); |
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113 // data of the previous capture. There can be at most one concurrent read | 110 // data of the previous capture. There can be at most one concurrent read |
114 // going on when this method is called. | 111 // going on when this method is called. |
115 virtual void CaptureFrame() = 0; | 112 virtual void CaptureFrame() = 0; |
116 | 113 |
117 // Get the size of the most recently captured screen. | 114 // Get the size of the most recently captured screen. |
118 virtual const SkISize& size_most_recent() const = 0; | 115 virtual const SkISize& size_most_recent() const = 0; |
119 }; | 116 }; |
120 | 117 |
121 } // namespace remoting | 118 } // namespace remoting |
122 | 119 |
123 #endif // REMOTING_HOST_VIDEO_FRAME_CAPTURER_H_ | 120 #endif // REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_ |
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